CN207474131U - A kind of direct current cables for being used for subway or rail traffic - Google Patents
A kind of direct current cables for being used for subway or rail traffic Download PDFInfo
- Publication number
- CN207474131U CN207474131U CN201721276207.7U CN201721276207U CN207474131U CN 207474131 U CN207474131 U CN 207474131U CN 201721276207 U CN201721276207 U CN 201721276207U CN 207474131 U CN207474131 U CN 207474131U
- Authority
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- China
- Prior art keywords
- layer
- subway
- rat
- direct current
- rail traffic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010951 brass Substances 0.000 claims abstract description 8
- 239000002650 laminated plastic Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 12
- 239000003063 flame retardant Substances 0.000 abstract description 24
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052736 halogen Inorganic materials 0.000 abstract description 12
- 150000002367 halogens Chemical class 0.000 abstract description 12
- 239000000779 smoke Substances 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000003112 inhibitor Substances 0.000 abstract description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 5
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
- 239000000347 magnesium hydroxide Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 241000256602 Isoptera Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- -1 rat-and-ant proof Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of direct current cables for being used for subway or rail traffic, belong to field of cable technology.The cable includes conductor (1) and is coated on insulating layer (2), water blocking tape (3), APL aluminum plastic laminate integrated sheath (4), high fire-retardance oxygen barrier layer (5), rat-and-ant proof layer (6) and the sheath (7) of conductor (1) outside from the inside to the outside, the insulating layer (2) is crosslinked polyetylene insulated layer, the high fire-retardance oxygen barrier layer (5) is the low-smoke non-halogen flame-retardant sheath for being filled with inorganic combustion inhibitor, and the rat-and-ant proof layer (6) is brass twining package tape.Direct current cables provided in this embodiment for subway or rail traffic has taken into account the requirements such as waterproof, rat-and-ant proof, fire-retardant, flame retardant property reach A grades it is fire-retardant.
Description
Technical field
The utility model belongs to field of cable technology, more particularly to a kind of direct current cables for being used for subway or rail traffic.
Background technology
With the construction such as China's electric power, high-speed railway, city underground or rail traffic, industrial and mining enterprises and urbanization not
Disconnected development, the use of power cable is more and more universal, and the chance that cable is destroyed by termite, mouse also accordingly increases, termite, old
Mouse breaks sheath by the teeth and can cause moisture content or moisture longitudinally or radially gap is immersed in inside cable along cable, leads to insulation because of water
It sets and generates aging, and cable insulation is caused to puncture within a short period of time, cause the accidents such as power failure, serious short circuit, fire, cause
Immeasurable loss.In addition, subway or cable for rail transit are chiefly used in densely populated underground, to flame retardant property requirement compared with
It is high, it usually needs to meet A grades, B grades or C grades requirements in GB/T18380.Meanwhile subway or rail traffic line are to smoke amount, halogen
Acid gas burst size has higher requirements.Therefore, it is waterproof, rat-and-ant proof, fire-retardant for the cable for subway or rail traffic
High requirement is respectively provided with smoke amount etc., traditional cable can not fully meet use demand.
Invention content
The utility model embodiment provides a kind of direct current cables for being used for subway or rail traffic, which has taken into account anti-
Water, rat-and-ant proof, fire-retardant etc..The technical solution is as follows：
The utility model embodiment provides a kind of direct current cables for being used for subway or rail traffic, which includes conductor
1 and the insulating layer 2, water blocking tape 3, APL aluminum plastic laminate integrated sheath 4, high fire-retardance oxygen barrier layer 5, anti-that is coated on from the inside to the outside outside conductor 1
Mouse ant layer 6 and sheath 7, the insulating layer 2 are crosslinked polyetylene insulated layer, and the high fire-retardance oxygen barrier layer 5 is is filled with inorganic resistance
The low-smoke non-halogen flame-retardant sheath of agent is fired, the rat-and-ant proof layer 6 is brass twining package tape.
Wherein, it is H62 by material that the rat-and-ant proof layer 6 in the utility model embodiment, which is, or the brass band of H65 passes through bilayer
Gap is wrapped or the wrapped composition of single overlays.
Wherein, the high fire-retardance oxygen barrier layer 5 in the utility model embodiment is be filled with aluminium hydroxide or magnesium hydroxide low
Cigarette bittern-free flame-proof material extrudes.
Wherein, the water blocking tape 3 in the utility model embodiment is formed for intumescent waterstop is wrapped.
The advantageous effect brought of technical solution that the utility model embodiment provides is：It is provided in this embodiment to be used for subway
Or the direct current cables of rail traffic has taken into account the requirements such as waterproof, rat-and-ant proof, fire-retardant, flame retardant property reach A grades it is fire-retardant.
Description of the drawings
Fig. 1 is the structure diagram for being used for subway or the direct current cables of rail traffic that the utility model embodiment provides.
In figure：1 conductor, 2 insulating layers, 3 water blocking tapes, 4 APL aluminum plastic laminate integrated sheaths, 5 high fire-retardance oxygen barrier layers, 6 rat-and-ant proof layers,
7 sheaths.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Referring to Fig. 1, the utility model embodiment provides a kind of direct current cables for being used for subway or rail traffic, the cable
Including conductor 1 and the insulating layer being coated on from the inside to the outside outside conductor 12（Non-flame-retardant material）, water blocking tape 3, APL aluminum plastic laminate synthesis shield
Layer 4, high fire-retardance oxygen barrier layer 5, rat-and-ant proof layer 6 and sheath 7 etc..The low cigarette of existing cable generally use without（It is low）Halogen flame-retardant insulating material
+ low cigarette without（It is low）Halogen flame retardant jacket materials, but there are the electric properties such as the insulation resistance constant of cable and volume resistivity to refer to
Rotating savings reduces, undesirable.Therefore, this patent uses：Non-flame resistant insulating materials（Crosslinked polyethylene is not fire proofing）+ low
Cigarette without（It is low）Halogen flame retardant jacket materials.In order to reach flame retardant effect, high fire-retardance oxygen barrier layer 5 is increased relative to normal cable.Its
In, conductor 1 is designed with reference to the 2nd class in national standard " conductor of cable " or the 5th class；Insulating layer 2 is crosslinked polyetylene insulated layer,
GB/T12706.1 " rated voltage 1KV to 35KV extrusion insulating power cables and attachment " is referred to be designed；High fire-retardance every
Oxygen layer 5 is to be filled with the low-smoke non-halogen flame-retardant sheath of inorganic combustion inhibitor；Rat-and-ant proof layer 6 is brass twining package tape.High fire-retardance oxygen barrier
Inorganic anti-flaming material in layer 5（Aluminium hydroxide or magnesium hydroxide）Increase the thermal capacity of cable and thermal-conduction resistance reduces, retardation
The raising of 7 temperature of flame lower jacket, after tested cable can reach A grades of flame-retardancy requirements.Wherein, 4 He of APL aluminum plastic laminate integrated sheath
Water blocking tape 3 has radial direction water-proof function.
Wherein, the oxygen index (OI) of the high fire-retardance oxygen barrier layer 5 in the utility model embodiment be 50-60, smoke amount, halogen acid gas
Burst size, pH value and conductivity reach the requirement of low smoke and zero halogen.
Wherein, it by material is H62 or the brass of H65 that the rat-and-ant proof layer 6 in the utility model embodiment, which is,（For non magnetic material
Material, copper 60-70%, zinc 30-40% are larger relative to red copper hardness）Band is by the way that Double-layer gap is wrapped or the wrapped composition of single overlays.
Brass band most thin thickness is 0.12mm.
Wherein, the high fire-retardance oxygen barrier layer 5 in the utility model embodiment is to be filled with aluminium hydroxide or magnesium hydroxide etc.
Halogen-free low-smoke flame retardant material extrudes.Inorganic anti-flaming material is preferably aluminium hydroxide, and the mechanism of action is：When aluminium hydroxide
When temperature is increased to 250 DEG C or so, react：2AL(OH)3→AL2O3+ 3H2O, this process need to absorb amount of heat
A large amount of vapor are discharged simultaneously, and vapor can dilute imflammable gas, effectively inhibit the appearance of material flash-point, help to hinder
The only burning of cable.
Table 1
As can be seen from the above table, the light transmittance for the cable that this patent provides, halogen acid gas burst size, pH value, conductivity are equal
It meets the requirements of the standard and has very big surplus.
Wherein, in order not to adding combustibles in the construction of cable（Crosslinked polyethylene is not fire-retardant）And make APL aluminum plastic laminate comprehensive
Closing sheath 4 has better water proofing property, and the water blocking tape 3 in the utility model embodiment is formed for intumescent waterstop is wrapped.
Preferably, the sheath 7 in the utility model embodiment is added with UV resistant absorbent（It is protected mainly for black
Layer）Low smoke and low halogen sheath（Such as polyvinyl chloride）Or low-smoke halogen-free flame-retardant sheath（Preferably low-smoke halogen-free flame-retardant sheath）,
For making cable that there is UV resistant characteristic, it is avoided to be occurred colour fading, mechanical and physical performance decline after solar radiation for a long time very
To problems of crack.
The performance of this patent is verified by experiment：
It is the verification of anti-flammability, light transmittance, halogen acid gas burst size, pH value, conductivity referring to table 1.
It is carried out according to the requirement of " Colony test " in JB/T10696.9, which reaches moth erosion level-one requirement.
After cable impregnates 72 hours in water, after removing the APL aluminum plastic laminate integrated sheath 4 outside insulating layer, with the naked eye see
It examines, insulated outer surface is dry.
It is carried out according to the requirement of GB/T14049：Under air and light aging effect, sample after aging in 42 days, sheath
Tensile strength and elongation change rate should be no more than ± 30%, after aging in 21 days, sample and the sample pair after aging in 42 days
Than tensile strength and elongation should be no more than ± 30%, and the cable of the present embodiment meets the requirements.
To sum up, the direct current cables provided in this embodiment for subway or rail traffic has taken into account waterproof, rat-and-ant proof, fire-retardant
Deng requirement, flame retardant property reach A grades it is fire-retardant.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (3)
1. a kind of direct current cables for being used for subway or rail traffic, which is characterized in that be coated on including conductor (1) and from the inside to the outside
Insulating layer (2), water blocking tape (3), APL aluminum plastic laminate integrated sheath (4), high fire-retardance oxygen barrier layer (5), the rat-and-ant proof layer of conductor (1) outside
(6) and sheath (7), the insulating layer (2) are crosslinked polyetylene insulated layer, and the rat-and-ant proof layer (6) is brass twining package tape.
2. the direct current cables according to claim 1 for being used for subway or rail traffic, which is characterized in that the rat-and-ant proof layer
(6) it by material is H62 or the brass band of H65 is wrapped or single overlays are wrapped forms by Double-layer gap to be.
3. the direct current cables according to claim 1 for being used for subway or rail traffic, which is characterized in that the water blocking tape
(3) it forms for intumescent waterstop is wrapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276207.7U CN207474131U (en) | 2017-09-30 | 2017-09-30 | A kind of direct current cables for being used for subway or rail traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276207.7U CN207474131U (en) | 2017-09-30 | 2017-09-30 | A kind of direct current cables for being used for subway or rail traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474131U true CN207474131U (en) | 2018-06-08 |
Family
ID=62267387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721276207.7U Expired - Fee Related CN207474131U (en) | 2017-09-30 | 2017-09-30 | A kind of direct current cables for being used for subway or rail traffic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207474131U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545466A (en) * | 2019-01-02 | 2019-03-29 | 远东电缆有限公司 | Rail traffic fire-retardant direct current cables and its production technology |
| CN112768115A (en) * | 2020-12-29 | 2021-05-07 | 贵州新曙光电缆有限公司 | Cross-linked polyethylene insulated direct-current cable for urban light rail subway |
-
2017
- 2017-09-30 CN CN201721276207.7U patent/CN207474131U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545466A (en) * | 2019-01-02 | 2019-03-29 | 远东电缆有限公司 | Rail traffic fire-retardant direct current cables and its production technology |
| CN109545466B (en) * | 2019-01-02 | 2023-09-29 | 远东电缆有限公司 | Flame-retardant direct-current cable for rail transit and production process thereof |
| CN112768115A (en) * | 2020-12-29 | 2021-05-07 | 贵州新曙光电缆有限公司 | Cross-linked polyethylene insulated direct-current cable for urban light rail subway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |